List current used options from motion.conf

Question

When I start motion executable , how can I list to stdout only the current config options that it is read from configuration file motion.conf ???... I have also seen this kind of list on S.C.R.A.P. - currently unmaintained by the author due to several reasons - (Security Camera Recording APplication - http://ornellas.apanela.com/dokuwiki/software:scrap )